Alert archive / Florida / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 64, NWS Mobile, AL

March 13, 2003Escambia County, Santa Rosa County, Florida; Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 13, 2003, 5:33 PM CST for Escambia County, Santa Rosa County, Florida; Baldwin County, Alabama. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 13, 2003, 5:33 PM CST (23:33 UTC)
Expired: Mar 13, 2003, 6:15 PM CST
In force: 42 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

Counties Baldwin County, AL, Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 109 km from the middle of the area, began a volume at 23:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 13, 3:10 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.6 hours before the alert went out and 250 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 797 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 711 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

976 
WUUS54 KMOB 132333
SVRMOB
ALC003-FLC033-113-140015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
533 PM CST THU MAR 13 2003

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BALDWIN COUNTY IN SOUTHWEST ALABAMA
  ESCAMBIA COUNTY IN NORTHWEST FLORIDA
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA

* UNTIL 615 PM CST

* AT 533 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 8 MILES NORTHEAST OF MUNSON TO 8
  MILES SOUTHWEST OF ROMAR BEACH...MOVING SOUTHEAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  FERRY PASS BY 540 PM CST
  WEST PENSACOLA...PERDIDO KEY BY 545 PM CST
  WARRINGTON...PENSACOLA REGIONAL AIRPORT BY 550 PM CST
  PENSACOLA...PENSACOLA PASS BY 555 PM CST

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THESE STORMS.  IF IN THE PATH OF THESE STORMS...TAKE COVER IN A
STURDY SHELTER UNTIL THE STORMS HAVE PASSED.

LAT...LON 3099 8679 3020 8770 2994 8748 3047 8681

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 13, 2:06 AM CST	Severe Thunderstorm Warning	MOB	Escambia	39 min
Mar 13, 5:11 PM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	64 min
Mar 13, 5:22 PM CST	Severe Thunderstorm Warning	MOB	Okaloosa	53 min
Mar 12, 6:28 PM CST	Special Marine Warning	MOB		2 hr
Mar 12, 6:28 PM CST	Special Marine Warning	MOB		2 hr
Mar 12, 8:21 PM CST	Special Marine Warning	MOB		2 hr
Mar 13, 1:03 AM CST	Special Marine Warning	MOB		57 min
Mar 13, 1:30 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	30 min
Mar 13, 2:10 AM CST	Special Marine Warning	MOB		65 min
Mar 13, 2:10 AM CST	Special Marine Warning	MOB		65 min
Mar 13, 2:35 AM CST	Special Marine Warning	MOB		55 min
Mar 13, 9:22 AM CST	Severe Thunderstorm Warning	MOB	Monroe	23 min
Mar 13, 9:26 AM CST	Severe Thunderstorm Warning	MOB	Monroe	19 min
Mar 13, 1:47 PM CST	Severe Thunderstorm Warning	MOB	Clarke	28 min
Mar 13, 2:26 PM CST	Severe Thunderstorm Warning	MOB	Clarke	34 min
Mar 13, 2:59 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe	31 min
Mar 13, 3:05 PM CST	Tornado Warning	MOB	Washington	25 min
Mar 13, 3:10 PM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	50 min
Mar 13, 3:16 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe	29 min
Mar 13, 3:27 PM CST	Severe Thunderstorm Warning	MOB	Washington	33 min
Mar 13, 3:30 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe	30 min
Mar 13, 3:45 PM CST	Severe Thunderstorm Warning	MOB	Conecuh	45 min
Mar 13, 3:46 PM CST	Severe Thunderstorm Warning	MOB	Mobile	44 min
Mar 13, 4:00 PM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	45 min
Mar 13, 4:03 PM CST	Special Marine Warning	MOB		117 min
Mar 13, 4:03 PM CST	Special Marine Warning	MOB		117 min
Mar 13, 4:20 PM CST	Severe Thunderstorm Warning	MOB	Covington	40 min
Mar 13, 4:21 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	54 min
Mar 13, 4:26 PM CST	Severe Thunderstorm Warning	MOB	Conecuh	34 min
Mar 13, 4:29 PM CST	Severe Thunderstorm Warning	MOB	Mobile	31 min
Mar 13, 4:38 PM CST	Severe Thunderstorm Warning	MOB	Escambia	22 min
Mar 13, 4:58 PM CST	Severe Thunderstorm Warning	MOB	Covington	47 min
Mar 13, 5:13 PM CST	Severe Thunderstorm Warning	MOB	Escambia	32 min
Mar 13, 5:44 PM CST	Severe Thunderstorm Warning	MOB	Covington	46 min

Nearby

Severe Thunderstorm Warnings in Florida, 2003 Severe Thunderstorm Warnings in Alabama, 2003 Every severe thunderstorm warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.